Sidi level millenium sole road shoespremium quality sidi cycling shoes at a great price point featuring the durable high energy transfer millenium 3 sole and a heel cup to keep your foot in the right position ensuring no energy is wasted in the drive featuressidi heel cup for added durability and stable footingmillenium 3 nylon matrix sole injected with carbon fibre for consistent stiffness and energy transferlightweight 3 strap closurebuysidi clothingfrom chain reaction cycles the world